Argonne Leadership Computing Facility

ALCF Resources
- Computing Resources
  
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Leadership Computing Resources

The ALCF provides users with access to supercomputing resources that are significantly more powerful than systems typically used for open scientific research.

Featured: Aurora
Science and Engineering
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Computational Science

The ALCF is accelerating scientific discoveries in many disciplines, ranging from chemistry and engineering to physics and materials science.

Featured: Engineering
Community and Outreach
- Partnerships
  
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  Exascale Computing Roundtable
Growing the HPC Community

The ALCF is committed to providing training and outreach opportunities that prepare researchers to efficiently use its leadership computing systems, while also cultivating a diverse and skilled HPC workforce for the future.
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Accelerating Science

The Argonne Leadership Computing Facility enables breakthroughs in science and engineering by providing supercomputing resources and expertise to the research community.
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Support Center

The ALCF Support Center assists users with support requests related to their ALCF projects.

Help Desk
Hours: 9:00am-5:00pm CT M-F
Email: support@alcf.anl.gov
Guides
Featured: Get Started

Featured: MyALCF

People

The ALCF’s talented and diverse staff makes the facility one of the world's premier centers for scientific computing.

Team

A B C D E F G H I J K L M N O P R S T U V W Y Z

Bill Allcock

Director of Operations
Operations
630-252-7573
allcock@anl.gov

Ben Allen

Principal HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration
630-252-0554
allen@alcf.anl.gov

Victor Anisimov

Computational Scientist
Technology
Performance Engineering
630-252-3820
vanisimov@anl.gov

Thomas Applencourt

Computational Scientist
Technology
Performance Engineering
630-252-0036
tapplencourt@anl.gov

Bill Arnold

Contractor - Python Programmer
Data Science

arnoldw@anl.gov

Abhishek Bagusetty

Assistant Computational Scientist
Performance Engineering

abagusetty@anl.gov

Ramesh Balakrishnan

Computational Scientist (Fluid Mechanic)
Science

bramesh@anl.gov

Riccardo Balin

Assistant Computational Scientist
Science

rbalin@anl.gov

Reet Barik

Postdoctoral Appointee
Technology
Data Science

rbarik@anl.gov

Solomon Bekele

Postdoctoral Appointee - Computer Science
Technology
Performance Engineering

sbekele@anl.gov

Colleen Bertoni

Computational Scientist
Technology
Performance Engineering
630-252-2358
bertoni@anl.gov

Cyrus Blackworth

Principal HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration
630-252-7061
cblackworth@anl.gov

Jon Bouvet

Cray Consultant
Operations
HPC Systems & Network Administration
630-252-6175
jbouvet@anl.gov

Bryan Brickman

HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration

bbrickman@anl.gov

Laural Briggs

Argonne Associate
Office of the Director

llbriggs@anl.gov

Renzo Emilio Bustamante

Intel COE Consultant
Technology
Performance Engineering
630-252-0023
rbustamante@anl.gov

Beth Cerny

Head of ALCF Communications
Office of the Director
Communications
630-252-1100
bcerny@anl.gov

Ram Sharan Chaulagain

Postdoctoral Appointee
Technology
Performance Engineering

rchaulagain@anl.gov

Andrew Cherry

HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration
630-252-4296
acherry@alcf.anl.gov

Lisa C. Childers

Principal Software Engineer
Operations
Advanced Integration Group
630-252-0922
childers@anl.gov

J. Taylor Childers

Deputy Technical Director, ALCF-4 & Computer Scientist
Data Science
ALCF-X Projects
630-252-7163
jchilders@anl.gov

Yongjun Choi

TAE Technologies Inc.

Paul Coffman

Argonne Associate
Technology
Performance Engineering

pcoffman@anl.gov

Susan Coghlan

Project Director, ALCF-3
ALCF-X Projects
630-252-1637
smc@anl.gov

Jim Collins

Coordinating Writer/Editor
Office of the Director
Communications
630-252-9860
jcollins@anl.gov

Benoit Cote

Contractor - Data Services Software Developer
Operations
Advanced Integration Group

bcote@anl.gov

Greg Cross

Network Engineer - HPC Systems and Network Administration
Operations
HPC Systems & Network Administration

grog@anl.gov

Michael D'Mello

Intel COE Consultant
Technology
Performance Engineering

mdmello@anl.gov

Mark Dewing

Principal Scientific Applications Engineering Specialist
Science
217-621-5670
mdewing@anl.gov

Kathy DiBennardi

Executive Assistant
Office of the Director
630-252-8600
dibennar@anl.gov

Joe Digilio

Systems Integration Administration
Operations
HPC Storage
630-252-2362
jdigilio@anl.gov

Murali Krishna Emani

Computer Scientist
Technology
Data Science
630-252-3090
memani@anl.gov

JD Emberson

Consultant
Science
630-252-5770
jemberson@anl.gov

Laura Esquivel

Budget Resource Administrator
Office of the Director
630-252-4086
lesquivel@anl.gov

Yuping Fan

Postdoctoral Appointee — Data Infrastructure and AI Applications
Science

fany@anl.gov

Kyle Felker

Computational Science
Science
630-252-3344
felker@anl.gov

Sam Foreman

Assistant Computational Scientist
Science
Data Science
630-252-0945
foremans@anl.gov

Jennifer Francis

Principal HPC User Support Engineer

jfrancis@anl.gov

Robert Gallimore

Linux Systems Administration Specialist
Operations
HPC Infrastructure

rgallimore@anl.gov

Longfei Gao

Performance Engineer
Technology
Performance Engineering

longfei.gao@anl.gov

Marta García Martínez

Principal Project Specialist - Computational Science
Science
630-252-0091
mgarcia@alcf.anl.gov

Jess Garrett

Application Security Engineer
Operations
Advanced Integration Group

jgarrett@anl.gov

Yasaman Ghadar

Computational Scientist
Technology
Performance Engineering
630-252-1398
ghadar@anl.gov

Lisa Giacchetti

Consultant
Operations

lgiacchetti@anl.gov

Cheetah Goletz

HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration
630-252-1853
cheetah@alcf.anl.gov

Dahai Guo

Intel COE Consultant
Technology
Performance Engineering

dguo@anl.gov

Mengjiao Han

Postdoctoral Appointee - Visualization and Analysis
Technology
Visualization and Data Analytics

hanm@anl.gov

Kevin Harms

Technical Director, ALCF-4
Leadership
ALCF-X Projects
630-252-3398
harms@alcf.anl.gov

Väinö Hatanpää

Assistant Computer Scientist
Technology
Data Science

vhatanpaeae@anl.gov

Nils Heinonen

Science Writer/Editor
Office of the Director
Communications

nheinonen@anl.gov

Kristy Henmueller

HPC Partnerships and Outreach Specialist
Office of the Director
Educational and Training Outreach

kstreu@anl.gov

Brian Holland

Intel COE Consultant
Performance Engineering

brian.holland@intel.com

Carissa Edita Holohan

Principal HPC Network Administration Specialist
Operations
HPC Systems & Network Administration
630-252-6094
carissa@anl.gov

Brian Homerding

Computer Scientist
Technology
Performance Engineering
630-252-9572
bhomerding@anl.gov

Khalid Hossain

Assistant Computational Scientist
Data Science

hossainm@anl.gov

Joseph A. Insley

Visualization & Data Analytics Team Lead
Technology
Visualization and Data Analytics
630-252-5649
insley@anl.gov

Olexandr Isayev

Carnegie Mellon University

Tommie L. Jackson

Principal HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration
630-252-2600
tjackson@alcf.anl.gov

Janet Jaseckas

Team Lead, Web Development
Operations
Advanced Integration Group
630-252-3422
jaseckas@anl.gov

Wei Jiang

Principal Project Specialist – Computational Science
Science
630-252-8688
wjiang@alcf.anl.gov

Xiao-Yong Jin

Assistant Computational Scientist - Lattice QCD
Science
630-252-0049
xjin@anl.gov

Eric Johnsen

University of Michigan

Margaret Kaczmarski

User Experience Administrator
Operations
Technical Support
630-252-0958
mkaczmar@alcf.anl.gov

Bharat Kale

Postdoctoral Appointee
Visualization and Data Analytics

kale@anl.gov

Ian Kash

Faculty Sabbatical
Office of the Director
Educational and Training Outreach

ikash@anl.gov

Varuni Katti Sastry

Assistant Computer Scientist
Technology
Data Science
408-518-1730
vsastry@anl.gov

Murat Keceli

Assistant Computational Scientist
Science
630-252-7912
keceli@anl.gov

Paige Kinsley

Education Outreach Leader
Office of the Director
Educational and Training Outreach
630-252-1012
pkinsley@anl.gov

Christopher J. Knight

Computational Scientist / Catalyst Team Lead
Science
630-252-9793
knightc@anl.gov

Janet Knowles

Principal Software Development Specialist
Technology
Visualization and Data Analytics
630-252-6342
jknowles@alcf.anl.gov

Sean Koyama

HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration

skoyama@anl.gov

Alex Kulyavtsev

Principal HPC Systems Administration Specialist
Operations
HPC Storage
630-252-3848
akulyavtsev@anl.gov

Kalyan Kumaran

Director of Technology
Technology
Leadership
630-252 5941
kumaran@anl.gov

Karlee Kveton

Division Finance Manager
Office of the Director
Financial Business Manager

kkveton@anl.gov

JaeHyuk Kwack

Computational Scientist
Technology
Performance Engineering
630-252-6515
jkwack@anl.gov

Zhiling Lan

Joint Appointment
Office of the Director
312.413.1616
zlan@uic.edu

Johan Larsson

University of Maryland

Ben Lenard

HPC Systems & Database Administrator
Operations
HPC Systems & Network Administration
630-252-1295
blenard@anl.gov

Nevin Liber

Computer Scientist
Technology
Performance Engineering
630-252-0023
nliber@anl.gov

Anping Liu

HPC Systems Administration Specialist
Operations
HPC Storage
(630) 252 1205
aliu@alcf.anl.gov

Lance Long

Deputy Director of Operations
Operations

longl@anl.gov

Raymond Loy

Lead, Training, Debuggers, and Math Libraries
Technology
Performance Engineering
630-252-7205
rloy@alcf.anl.gov

Michael Luczkow

Consultant - HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration
505-365-1115
mluczkow@anl.gov

Logan Ludwig

Digital Content Producer
Office of the Director
Communications

lludwig@anl.gov

Ye Luo

Assistant Computational Scientist
Science
630-252-3183
yeluo@anl.gov

Bethany Lusch

Computer Scientist
Technology
Data Science
630-252-3747
blusch@anl.gov

Varsha Madananth

Intel COE Consultant
Technology
Performance Engineering

varsha.madananth@intel.com

Avanthi Mantrala

User Experience Analyst
Operations
Technical Support
630-252-5295
mantrala@alcf.anl.gov

Tommy Marrinan

Computer Scientist
Office of the Director

tmarrinan@anl.gov

Victor Mateevitsi

Computer Scientist
Technology
Visualization and Data Analytics

vmateevitsi@anl.gov

Guillermo Mayorga

Full Stack Web Developer
Operations
Advanced Integration Group
630-252-1145
gmayorga@anl.gov

Anthony Meyer

HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration

meyera@anl.gov

Ryan Milner

Team Lead, HPC Systems & Network Administration
Operations
HPC Systems & Network Administration
630-252-6084
rmilner@alcf.anl.gov

Vitali Morozov

Lead, Application Performance and Performance Modeling
Technology
Performance Engineering
630 252-7068
morozov@anl.gov

Vikram Mulligan

Flatiron Institute

Servesh Muralidharan

Computer Science
Technology
Performance Engineering
630-252-3446
smuralidharan@anl.gov

Zachary Nault

HPC Systems Administration Associate - Storage Team
Operations
HPC Storage
630-252-5059
znault@anl.gov

Jeff Neel

Senior Cyber Security Engineer
Operations
HPC Systems & Network Administration

jneel@anl.gov

Marieme Ngom

Assistant Computer Scientist
Science
Data Science

mngom@anl.gov

Nathan Nichols

Assistant Computer Scientist
Data Science

nnichols@anl.gov

Jack O'Connell

Team Lead / HPC Storage
Operations
HPC Storage
630-252-3610
joconne@alcf.anl.gov

John O'Connor

User Experience Strategist
Advanced Integration Group

joconnor@anl.gov

Dale Oglesbee

Consultant
Operations

doglesbee@anl.gov

Nwamaka Okafor

Postdoctoral Appointee - Data Scientist for Supercomputing Logs
Technology
Data Science
630-252-1468
nokafor@anl.gov

James Osborn

Computational Scientist / Catalyst Team Lead
Science
630-252-6327
osborn@alcf.anl.gov

Wilbur Ouma

HPC Partnerships and Outreach Specialist
Office of the Director
Educational and Training Outreach

zouma@anl.gov

Michael E. Papka

Division Director
Office of the Director
Leadership
630-252-1556
papka@anl.gov

Scott Parker

Performance Engineering Team Lead
Technology
Performance Engineering
630-252-3446
sparker@anl.gov

Saumil Patel

Assistant Computational Scientist
Science
630-252-0051
spatel@anl.gov

Eric Pershey

Principal Software Development Specialist
Operations
Advanced Integration Group
630-252-5744
pershey@anl.gov

Renee Plzak

LCF Human Resource Representative

630-252-3556
rplzak@anl.gov

Adrian C. Pope

Computational Scientist
Science
630-252-8745
apope@anl.gov

Ray Powell

Systems Integration Admin/Support
Operations
HPC Systems & Network Administration
630-252-2352
rpowell@anl.gov

Jini Ramprakash

Deputy Division Director & Project Director, ALCF-4
Leadership
ALCF-X Projects
630-252-1781
jini@alcf.anl.gov

Thilina Ratnayaka

Postdoctoral Appointee
Technology
Performance Engineering

tratnayaka@anl.gov

John 'Skip' Reddy

Team Lead / HPC Infrastructure
Operations
HPC Infrastructure
630-252-1377
jreddy@alcf.anl.gov

Paul Rich

Principal Software Development Specialist
Operations
Advanced Integration Group
630-252-2430
richp@alcf.anl.gov

Katherine Riley

Director of Science
Science
Leadership
630-252-5786
riley@alcf.anl.gov

Silvio Rizzi

Computer Scientist
Technology
Visualization and Data Analytics
630-252-0022
srizzi@alcf.anl.gov

George Rojas

Consultant - Principal Software Development Specialist
Operations
Advanced Integration Group
630-252-5569
rojas@alcf.anl.gov

Kris Rowe

Assistant Computational Scientist
Technology
Performance Engineering
630-252-2251
krowe@anl.gov

Aaron Scheinberg

Consultant
Performance Engineering

aaron@jubileedev.com

Kyle Schmitt

Systems Integration Admin/Support
Operations
HPC Systems & Network Administration

kaschmitt@anl.gov

Laura Schulz

Project Lead for Innovation
Office of the Director
ALCF-X Projects

lschulz@anl.gov

Robert Scott

Technical Support Analyst
Operations
Technical Support
630-252-5745
scott@alcf.anl.gov

Adam Scovel

HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration
630-252-0115
ascovel@alcf.anl.gov

Emily R. Shemon

Principal Nuclear Engineer
Science
630-252-4477
eshemon@anl.gov

Shilpika

Postdoctoral Appointee
Visualization and Data Analytics

shilpika@anl.gov

Hyeondeok Shin

Assistant Computational Scientist
Science
630-252-7933
hshin@anl.gov

P.C. Shyamshankar

Containerization and Confidential Computing Architect
Operations
Advanced Integration Group

pshyamshankar@anl.gov

Haritha Siddabathuni Som

User Experience Specialist / Team Lead
Operations
Technical Support
630-252-4211
haritha@anl.gov

Filippo Simini

Computer Scientist
Data Science

fsimini@anl.gov

Christine Simpson

Assistant Computational Scientist
Technology
Data Science

csimpson@anl.gov

Katie Sims-Partacz

Divisional Operations Lead
Office of the Director
630-252-6488
simspartacz@anl.gov

Patrick Steinbrecher

Intel COE Consultant
Technology
Performance Engineering

psteinbrecher@anl.gov

Deborah Stevens

Assistant Computer Scientist
Science
630-476-0115
dstevens@anl.gov

Mirek Suliba

HPC Systems Administration Specialist
Operations
HPC Systems & Network Administration
630-252-2712
msuliba@anl.gov

Sheeja Susan

Principal Software Development Specialist
Operations
Advanced Integration Group

ssusan@anl.gov

Steve Swartz

Software Engineer
Operations
Advanced Integration Group

sswartz@anl.gov

Aditya Tanikanti

Data Services Architect
Technology
Data Science
630-252-3216
atanikanti@anl.gov

George K. Thiruvathukal

Guest Faculty Research Participant
Technology
Data Science
630-252-4204
gkt@anl.gov

Brian Toonen

Consultant/Software Engineer
Operations
Advanced Integration Group
630-252-6722
toonen@alcf.anl.gov

Peter Upton

Systems Integration Admin/Support
Operations
HPC Systems & Network Administration

pupton@anl.gov

Thomas D. Uram

Data Sciences and Workflows Team Lead
Technology
Data Science
630-252-4596
turam@anl.gov

Archit Vasan

Postdoctoral Appointee - Cancer Drug Discovery Using ML and Exascale Computing
Data Science

avasan@anl.gov

Alvaro Vazquez-Mayagoitia

Principal Software Development Specialist
Science
630-252-0171
vama@alcf.anl.gov

Paulius Velesko

Consultant
Science

pvelesko@anl.gov

Kaushik Velusamy

Assistant Computer Scientist
Technology
Data Science

kaushik.v@anl.gov

Brice Videau

Performance Engineering Team Lead
Technology
Performance Engineering
630-252-6193
bvideau@anl.gov

Venkatram Vishwanath

Data Science Team Lead
Technology
Data Science
630-252-4971
venkat@anl.gov

Rick Wagner

Director of Operations
Operations
Leadership

rpwagner@anl.gov

Douglas Waldron

Lead Senior Data Architect
Operations
Business Intelligence
630-252-2884
dwaldron@alcf.anl.gov

William Wang

Consultant
Operations

william.wang@anl.gov

Gabe West

Software Architecture Engineer
Operations
Advanced Integration Group
630-252-1094
gwest@alcf.anl.gov

Timothy Williams

Computational Scientist
Science

Laura Wolf

Coordinating Writer/Editor
Office of the Director
Communications

lwolf@anl.gov

Shareef Yousef

Linux Systems Administration Specialist
Operations
HPC Infrastructure

syousef@anl.gov

Michael Zhang

Senior Data Architect
Operations
Business Intelligence
630-252-6027
zhangm@anl.gov

Huihuo Zheng

Computer Scientist
Technology
Data Science
630-252-8643
huihuo.zheng@anl.gov

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